Home / 147,812.30-221,718.45-100,573.10

Finding the Fourth Proportional to 147,812.30, 221,718.45 and 100,573.10

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Solution

The fourth proportional to 147,812.30, 221,718.45 and 100,573.10 is: 150,859.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,812.30 : 221,718.45 = 100,573.10 : x
  2. Step 2: Convert to fraction form
    147,812.30/221,718.45 = 100,573.10/x
  3. Step 3: Cross multiply
    147,812.30x = 221,718.45 × 100,573.10
  4. Step 4: Simplify right side
    147,812.30x = 22,298,911,843.70
  5. Step 5: Solve for x
    x = 22,298,911,843.70/147,812.30
  6. Step 6: Final answer
    x = 150,859.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.